RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ eec78d9f5d3f0a944500a1cac5802dfee2befc7b

espejo de https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

wangxiaoyao 672966cc41 [lwp] arch should recycle resource it allocated		hace 2 años
..
lwp_arch.c	672966cc41 [lwp] arch should recycle resource it allocated	hace 2 años
lwp_arch.h	68ca9f07a6 [rt-smart] 弱化 RT_USING_LWP，使用 RT_USING_SMART 作为宏配置 (#6740)	hace 3 años
lwp_gcc.S	ecf2d82159 sync branch rt-smart. (#6641)	hace 3 años